Fix EmailTfaUserLoginBlock constructor for Drupal 11 compatibility (UserLoginBlock change)

+   * @param \Drupal\Core\Form\FormBuilderInterface $formBuilder
+   *   The form builder.
    * @param ConfigFactoryInterface $config_factory
    *   The configuration factory.
    */
-  public function __construct(array $configuration, string $plugin_id, $plugin_definition, RouteMatchInterface $route_match, ConfigFactoryInterface $config_factory) {
-    parent::__construct($configuration, $plugin_id, $plugin_definition, $route_match);
+  public function __construct(array $configuration, string $plugin_id, $plugin_definition, RouteMatchInterface $route_match, FormBuilderInterface $formbuilder, ConfigFactoryInterface $config_factory) {
+    parent::__construct($configuration, $plugin_id, $plugin_definition, $route_match, $formbuilder);
     $this->configFactory = $config_factory;

When new parameters are added, they are added after the last one.

Furthermore, now that patches are no longer tested, it is necessary to create a merge request.

Since we are extending a class, we should match the signature of the parent class.

In that case, the change cannot be as simple as adding a new parameter for the constructor, especially for a module that declares itself compatible with Drupal 9, Drupal 10, and Drupal 11. At least, the code should call trigger_error(), when the parameters are not in the expected order.

Updated the constructor to follow Drupal's backward-compatible deprecation pattern:

- $form_builder (FormBuilderInterface) is now the 5th parameter, matching the parent UserLoginBlock signature.
- If the old calling convention is used (passing ConfigFactoryInterface in position 5), the code detects it via instanceof, triggers a deprecation notice with @trigger_error(), and resolves form_builder from the container.
- create() method updated to inject form_builder service.
- This maintains full backward compatibility across Drupal 9, 10, and 11.

The deprecation can be removed cleanly in email_tfa:3.0.0.

MR: !31

Tested and works as expected. Merging into the dev branch and will be included in the next release (2.0.7).